1871603 Turbochargers fit Caterpillar
1871603 Turbochargers fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1871603 Turbocharger for Caterpillar Equipment
The 1871603 is a turbocharger for Caterpillar equipment, including tracked bulldozers, autograders, and pipe-layers. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
This turbocharger is listed for use on Caterpillar D5N and D6N tracked bulldozers, Caterpillar 120H and 135H autograders, and the Caterpillar 561N pipe-layer. The component is identified by SKU 1871603 and is also designated by the hyphenated part number 187-1603.
Fitment
- Caterpillar D5N tracked bulldozer
- Caterpillar D6N tracked bulldozer
- Caterpillar 120H autograder
- Caterpillar 135H autograder
- Caterpillar 561N pipe-layer
The listed applications cover three Caterpillar equipment types. The D5N and D6N are tracked bulldozer models; the 120H and 135H are autograder models; and the 561N is a pipe-layer model. Fitment is specified by the equipment model designation rather than by a general machine category.
Cross-reference numbers
- Caterpillar part number: 187-1603
- SKU designation: 1871603
The numbers 1871603 and 187-1603 identify the same turbocharger reference in the supplied product data. The SKU is written without a hyphen, while the corresponding part number is written with a hyphen between 187 and 1603.
Specifications
| Part type | Turbocharger |
| Equipment manufacturer | Caterpillar |
| SKU | 1871603 |
| Part number format | 187-1603 |
| Height | 17 in |
| Length | 13.6 in |
| Weight | 32.4 lb |
| Length, metric listing | 14 cm |
| Width, metric listing | 14 cm |
| Depth, metric listing | 14 cm |
The supplied specifications identify the component as a turbocharger and provide its listed overall dimensions and weight. No additional information is provided for mounting position, thread specifications, housing material, actuator configuration, included components, or installation hardware.





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